Comet Lemmon, also designated C/2025 A6, was discovered in January by a telescope scouring the night sky for near-Earth asteroids. Comet SWAN, also known as C/2025 R2, was spotted in September by an ...
Comet C/2025 R2 (SWAN) is set to brighten the October sky, and astronomy experts have shared the best times and directions to spot this rare celestial visitor.